Home / 38,904.98-58,343.22-13,938.35

Finding the Fourth Proportional to 38,904.98, 58,343.22 and 13,938.35

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Solution

The fourth proportional to 38,904.98, 58,343.22 and 13,938.35 is: 20,902.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,904.98 : 58,343.22 = 13,938.35 : x
  2. Step 2: Convert to fraction form
    38,904.98/58,343.22 = 13,938.35/x
  3. Step 3: Cross multiply
    38,904.98x = 58,343.22 × 13,938.35
  4. Step 4: Simplify right side
    38,904.98x = 813,207,928.77
  5. Step 5: Solve for x
    x = 813,207,928.77/38,904.98
  6. Step 6: Final answer
    x = 20,902.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.